When your car's Check Engine light comes on, it's usually accompanied by a sinking feeling in the pit of your stomach. The light could mean a costly problem, like a bad catalytic converter, or it could be something minor, like a loose gas cap.
If you experience any bleeding period after this 20 days, it will probably be the real period. This normally comes at about 4 to 6 weeks after the miscarriage.
There's been a lot of controversy about how long women should wait to try to get pregnant again after a miscarriage. Some doctors suggest waiting three or even six months to normalize hormone levels after a pregnancy loss, but this advice is largely theoretical and not based on scientific studies.